Ключевые слова: background, box, business, cabinet, child, clean, close, college, color, combination, concept, cover, door, education, green, gym, hallway, high, illustration, indoors, interior, key, kids, lock, locker, lockers, metal, object, office, open, padlock, pink, protection, purple, red, room, safe, safety, school, security, space, sport, steel, storage, student, teen, university, wall, white, yellow,